+" format with =
+map <buffer> = <Plug>(operator-clang-format)
+vnoremap <buffer> = :ClangFormat<CR>
+" restore = mapping to g=
+nnoremap <buffer>g= =
+vnoremap <buffer>g= =
+
+setlocal errorformat=
+setlocal errorformat+=%f:%l:%c:\ %trror:\ %m
+setlocal errorformat+=%f:%l:%c:\ %tarning:\ %m
+setlocal errorformat+=%D%*\\a[%*\\d]:\ Entering\ directory\ [`']%f'
+setlocal errorformat+=%X%*\\a[%*\\d]:\ Leaving\ directory\ [`']%f'
+setlocal errorformat+=%D%*\\a:\ Entering\ directory\ [`']%f'
+setlocal errorformat+=%X%*\\a:\ Leaving\ directory\ [`']%f'
+setlocal errorformat+=%*[^[]\[%tRROR\]%m\ \[%f:%l\]
+setlocal errorformat+=%*[^[]\[%tARNING\]%m\ \[%f:%l\]
+